Footwear sole



FIG. 1 is a bottom perspective view of a footwear sole.

FIG. 2 is side view of the footwear sole of FIG. 1; and,

FIG. 3 is another side view of the footwear sole of FIG. 1.

The dash-dot-dash broken lines in the drawings denote unclaimed boundaries of the claimed design. The dash-dash broken lines in the drawings denote portions that are not part of the claimed design. The dash-dash broken lines include dash-dash broken lines indicating an unclaimed tread pattern on a transparent or semi-transparent portion of the outsole. 

CLAIM The ornamental design for a footwear sole, as shown and described. 